18th Strategic Aerospace Division
Active	1929–1942; 1942–1944; 1959–1968
Country	United States
Branch	United States Air Force
Insignia
18th Strategic Aerospace Division emblem(approved)[1]

The18th Strategic Aerospace Division is an inactiveUnited States Air Force unit. Its last assignment was with theFifteenth Air Force atFairchild Air Force Base, Washington, where it was inactivated on 2 July 1968.

The18th Composite Wing served as part of the defense force for the Hawaiian Islands from 1 May 1931 – 29 January 1942. It inactivated after suffering disastrous losses in the Japaneseattack on Pearl Harbor (7 December 1941).^[1]

From June 1942 until 1944, it operated as the18th Replacement Wing, processing personnel entering Second Air Force.^[1]

Redesignated as the18th Air Division on 1 July 1959, it assured that assigned wings were organized, crewed, trained, and equipped to conduct long-range bombardment operations using either nuclear or conventional weapons.^[1]

The division was redesignated as18 Strategic Aerospace Division on 15 February 1962, and also developed and maintained a strategic missile operational capability. Between 1965 and 1968, subordinate units of the 18th loaned aircraft and aircrews to SAC organizations for combat during theVietnam War.^[1]

The division was inactivated on 2 July 1968 due to budget constraints.^[1]

• Established as the18th Composite Wing on 8 May 1929

Activated on 1 May 1931

Redesignated18th Wing on 1 September 1937

Redesignated18th Bombardment Wing on 19 October 1940

Inactivated on 29 January 1942

• Redesignated18th Replacement Wing on 17 June 1942

Activated on 23 June 1942

Disestablished on 11 April 1944

• Reestablished and redesignated18th Air Division on 20 May 1959

Activated on 1 July 1959

Redesignated18th Strategic Aerospace Division on 15 February 1962

Discontinued and inactivated on 2 July 1968^[1]

• Hawaiian Department, 1 May 1931
• Hawaiian Air Force, 1 November 1940 – 29 January 1942
• Second Air Force, 23 June 1942 – 11 April 1944
• Fifteenth Air Force, 1 July 1959 – 2 July 1968^[1]

Wings

• 6th Strategic Wing: 25 March 1967 – 2 July 1968
• 91st Bombardment Wing: 1 July 1963 – 1 September 1964
• 92d Bombardment Wing (later 92 Strategic Aerospace Wing): 1 July 1959 – 2 July 1968
• 320th Bombardment Wing: 1 July 1965 – 2 July 1966
• 341st Strategic Missile Wing: 2 July 1966 – 2 July 1968
• 462d Strategic Aerospace Wing: 1 February 1963 – 25 June 1966
• 4157th Strategic Wing: 1 July 1965 – 25 March 1967
• 4158th Strategic Wing: 1 July 1965 – 25 June 1966
• 4170th Strategic Wing: 1 July 1959 – 1 February 1963^[1]

Groups

• 5th Composite Group (later, 5 Bombardment Group): 1 May 1931 – 29 January 1942
• 11th Bombardment Group: 1 February 1940 – 29 January 1942
• 18th Pursuit Group: 1 May 1931 – 1 November 1940

• Fort Shafter, Hawaii, 1 May 1931
• Hickam Field, Hawaii Territory, 30 October 1937 – 29 January 1942
• Salt Lake City, Utah, 23 June 1942 – 11 April 1944
• Fairchild Air Force Base, Washington, 1 July 1959 – 2 July 1968^[1]

Campaign Streamer	Campaign	Dates	Notes
	Central Pacific	7 December 1941 – 19 January 1942	18th Bombardment Wing[1]
	American Theater without inscription	23 June 1942 – 11 April 1944	18th Replacement Wing[1]

• List of United States Air Force air divisions

 This article incorporatespublic domain material from the Air Force Historical Research Agency

• Maurer, Maurer, ed. (1983) [1961].Air Force Combat Units of World War II(PDF) (reprint ed.). Washington, DC: Office of Air Force History.ISBN 0-912799-02-1.LCCN 61060979. Archived fromthe original(PDF) on 15 January 2021.
• Ravenstein, Charles A. (1984).Air Force Combat Wings, Lineage & Honors Histories 1947–1977. Washington, DC: Office of Air Force History.ISBN 0-912799-12-9.

• Strategic Aerospace divisions of the United States Air Force
• Military units and formations established in 1929
• 1931 establishments in Hawaii
• 1944 disestablishments in Utah
• 1959 establishments in Washington (state)
• 1968 disestablishments in Washington (state)
• Military units and formations disestablished in 1942
• Military units and formations established in 1942
• Military units and formations disestablished in 1944
• Military units and formations established in 1959
• Military units and formations disestablished in 1968

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